CN106332132B - Communication terminal and method for self-adaptive Bluetooth performance adjustment - Google Patents

Communication terminal and method for self-adaptive Bluetooth performance adjustment Download PDF

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CN106332132B
CN106332132B CN201510390827.2A CN201510390827A CN106332132B CN 106332132 B CN106332132 B CN 106332132B CN 201510390827 A CN201510390827 A CN 201510390827A CN 106332132 B CN106332132 B CN 106332132B
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bluetooth
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human body
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CN106332132A (en
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沈少武
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ZTE Corp
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Priority to EP15897563.1A priority patent/EP3319360B1/en
Priority to US15/741,496 priority patent/US10412605B2/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices

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  • Mobile Radio Communication Systems (AREA)
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Abstract

The invention discloses a communication device and a method for self-adaptive Bluetooth performance adjustment, wherein the device comprises: the detection unit is used for detecting state parameters of a current terminal user in various different Bluetooth application environments and target requirements of the current terminal user when starting Bluetooth communication transmission to obtain a detection result, and sending the detection result to the self-adaptive control unit; the self-adaptive control unit is used for receiving and analyzing the detection result to obtain the state parameter and the target requirement, obtaining a target adjustment parameter corresponding to the Bluetooth after the relevant parameter is adjusted according to the state parameter and the target requirement, controlling the starting of the adjustment unit, and sending the target adjustment parameter to the adjustment unit for processing according to a first preset rule; and the adjusting unit is used for receiving the target adjusting parameter and carrying out optimization adjustment according to the target adjusting parameter until the Bluetooth performance of the terminal reaches an expected working state.

Description

Communication terminal and method for self-adaptive Bluetooth performance adjustment
Technical Field
The present invention relates to bluetooth performance adjusting technology, and in particular, to a communication terminal and method for adaptive bluetooth performance adjustment.
Background
In the process of implementing the technical solution of the embodiment of the present application, the inventor of the present application finds at least the following technical problems in the related art:
bluetooth (Bluetooth) is a novel, open, low-cost, short-distance, low-power-consumption wireless connection technology, and can replace a short-distance cable to realize wireless transmission of voice and data. With the more and more extensive application of bluetooth equipment in a mobile phone, the bluetooth standard is continuously upgraded from V1.0 to V4.1, the application scene of bluetooth is from a mobile phone terminal to wearable equipment, the internet of things, the interconnection of automotive electronics, the requirement of the industry and users on the performance of bluetooth is higher and higher, and especially on the adaptability of multiple application scenes of bluetooth, the requirement of customers is higher and higher. The quality of the Bluetooth performance is a very important index of a high-end mobile phone, influences the performance of the whole mobile phone and determines the success or failure of the product.
Factors affecting bluetooth performance include the following:
firstly, because the maximum transmission power supportable by bluetooth has a great influence on the performance of the transmission distance, while the conventional scheme has a limit of bluetooth power level set by software, such as CLASS2, which limits the maximum transmission power range to-6 dB to 4dB, the default power of software code is generally about 0dB, the transmission power is fixed and not adjustable, if the loss of the radio frequency front end increases or the antenna is shared, the attenuation from the bluetooth chip to the antenna front end further increases, so the radiation power of bluetooth is greatly reduced. Therefore, the maximum linear transmission distance of the Bluetooth is limited to be within 10 meters, and the reason why the Bluetooth transmission is interrupted or a sound pause phenomenon occurs under the condition that the distance is more than 10 meters or an obstacle exists is also limited.
Secondly, since the ISM band used by bluetooth is a band open to all radio systems, and its frequency range is 2402 + 2480MHz, it will encounter various interference sources, so bluetooth adopts packet rapid acknowledgement technology and frequency hopping scheme to ensure the stability of link and channel. The general physical channels of bluetooth are 79 or 39, and during transmission, the radio frequency channels are randomly hopped by a pseudo-random sequence, and the sensitivity of each channel is more or less different, so if bluetooth hops to a channel with weak signal or easy interference, the voice stability and transmission rate of the bluetooth connection terminal will be affected.
When the bluetooth headset is connected with the mobile phone, if the mobile phone or the headset is placed close to a human body, or the human body is in a non-static state, such as walking, moving, turning around and the like, due to the influence of the directivity of the antenna, the bluetooth audio transmission may have an obvious pause phenomenon. Meanwhile, due to the human body effect, the Bluetooth headset is placed on the left ear or the right ear, the mobile phone is placed on the same side or different sides of the body, the antenna gain and the efficiency are affected by the absorption of the human body and can be changed, and the communication voice or audio transmission quality is further affected.
In the use process of the mobile phone Bluetooth, due to the existence of external WIFI in the same frequency range, stray interference of LTE signals or WIFI of the mobile phone, the phenomenon of blockage is obvious when the LTE is started can be found by using the Bluetooth, and then the transmission quality of call voice or audio is influenced.
In summary, the above factors of any aspect all affect the performance of bluetooth transmission, however, in the prior art, no effective solution exists for how to avoid the influence of the above factors of any aspect and further adjust the bluetooth performance to a good communication state.
Disclosure of Invention
In view of the above, embodiments of the present invention are to provide a communication terminal and a method for adaptive bluetooth performance adjustment, which at least solve the problems in the prior art, and can avoid adverse effects caused by any of the above factors, so as to adjust the bluetooth performance to a good communication state.
The technical scheme of the embodiment of the invention is realized as follows:
the communication terminal for self-adaptive Bluetooth performance adjustment of the embodiment of the invention comprises:
the detection unit is used for detecting state parameters of a current terminal user in various different Bluetooth application environments and target requirements of the current terminal user when starting Bluetooth communication transmission to obtain a detection result, and sending the detection result to the self-adaptive control unit;
the self-adaptive control unit is used for receiving and analyzing the detection result to obtain the state parameter and the target requirement, obtaining a target adjustment parameter corresponding to the Bluetooth after the relevant parameter is adjusted according to the state parameter and the target requirement, controlling the starting of the adjustment unit, and sending the target adjustment parameter to the adjustment unit for processing according to a first preset rule;
and the adjusting unit is used for receiving the target adjusting parameter and carrying out optimization adjustment according to the target adjusting parameter until the Bluetooth performance of the terminal reaches an expected working state.
In the above scheme, the expected operating state is used to characterize: the support terminal can adjust through different performances under various different application environments, communication states and user personalized target requirements, so that the Bluetooth communication transmission is always in the optimal working state, and the phenomenon of blockage or interruption under the remote dynamic application environment with obstacles is reduced.
In the foregoing solution, the detecting unit further includes:
and the application detection module is used for detecting the Bluetooth application environment of the current terminal user, completing the detection including the terminal wireless communication system, the communication mode and the mode requirement of the terminal user, sending the obtained detection result to the self-adaptive control unit and then providing the detection result to the corresponding adjustment module to realize the corresponding adjustment so as to obtain the avoidance result of the corresponding channel.
In the foregoing solution, the detecting unit further includes:
and the channel detection module is used for detecting the channel quality state including the current terminal Bluetooth and the channel occupation condition in the external same frequency and adjacent frequency range, sending the obtained detection result to the self-adaptive control unit and then providing the detection result to the corresponding adjustment module to realize corresponding adjustment so as to obtain the avoidance result of the corresponding channel.
In the foregoing solution, the detecting unit further includes:
and the user interaction module is used for receiving related wireless settings and requests of a user, supporting the user to set a mode corresponding to the Bluetooth application environment and a target requirement of a current terminal user so as to generate a control instruction, sending the control instruction to the self-adaptive control unit and then providing the control instruction to the corresponding adjustment module to realize corresponding adjustment, so as to obtain a corresponding expected working state.
In the foregoing solution, the detecting unit further includes:
and the human body effect detection module is used for sensing the influence of the current terminal Bluetooth antenna on the human body effect, sending the obtained sensing result to the self-adaptive control unit and then providing the sensing result to the corresponding adjustment module to realize corresponding adjustment, so as to obtain a result of reducing the human body effect influence.
In the foregoing solution, the adjusting unit further includes:
and the antenna switching and adjusting module is used for acquiring at least one output result output by the application detection module, the channel detection module, the user interaction module and the human body effect detection module, and when the sensing result output by the human body effect detection module is acquired, the current antenna contact position and attenuation are judged according to the sensing result to carry out real-time switching and matching adjustment so as to reduce the human body antenna effect and switch the Bluetooth antenna to a position far away from the human body contact part.
In the foregoing solution, the adjusting unit further includes:
and the power adjustable module is used for acquiring at least one output result output by the application detection module, the channel detection module, the user interaction module and the human body effect detection module, and combining the influence of three indexes of transmission distance, power consumption and human body radiation aiming at various different Bluetooth application environments to realize digital power calling and multistage variable adjustment under different requirements.
In the foregoing solution, the adjusting unit further includes:
and the channel selection and avoidance module is used for acquiring at least one output result output by the application detection module, the channel detection module, the user interaction module and the human body effect detection module, and when the detection result output by the channel detection module is acquired, the selection and avoidance of the Bluetooth communication channel are realized according to the detection result and an anti-interference algorithm, so that the Bluetooth communication transmission is always on a channel with small interference and high communication quality.
In the foregoing solution, the adjusting unit further includes:
and the coexistence adjusting module is used for acquiring at least one result output by the application detection module, the channel detection module, the user interaction module and the human body effect detection module, and optimizing the coexistence performance between the Bluetooth and other equipment according to the current Bluetooth application scene and the target requirement so as to preferentially ensure the Bluetooth communication quality.
The communication method for self-adaptive Bluetooth performance adjustment in the embodiment of the invention is applied to any one of the communication terminals, and comprises the following steps:
detecting state parameters of a current terminal user in various different Bluetooth application environments when starting Bluetooth communication transmission and target requirements of the current terminal user to obtain a detection result, and sending the detection result to an adaptive control unit;
receiving and analyzing the detection result to obtain the state parameter and the target requirement, obtaining a corresponding target adjustment parameter after adjusting the related parameters of the Bluetooth according to the state parameter and the target requirement, controlling the starting of the adjustment unit, and sending the target adjustment parameter to the adjustment unit for processing according to a first preset rule;
and receiving the target adjustment parameter, and carrying out optimization adjustment according to the target adjustment parameter until the Bluetooth performance of the terminal reaches an expected working state.
In the above solution, the detecting a state parameter of a current terminal user in various different bluetooth application environments when starting bluetooth communication transmission and a target requirement of the current terminal user to obtain a detection result, and sending the detection result to the adaptive control unit includes:
receiving related wireless settings and requests of a user through a user interaction module, and supporting the user to set a mode corresponding to a Bluetooth application environment and a target requirement of a current terminal user so as to generate a control instruction;
and starting an adaptive control module and an application detection module, wherein the adaptive control module receives the control instruction and triggers the application detection module to detect the current wireless and cellular mode starting conditions, external frequency band interference information, a mobile phone power emission value and a human body effect so as to feed back the current wireless and cellular mode starting conditions, the external frequency band interference information, the mobile phone power emission value and the human body effect to the adaptive control module to perform corresponding control.
In the foregoing solution, the receiving the target adjustment parameter, and performing optimization adjustment according to the target adjustment parameter until the bluetooth performance of the terminal reaches an expected working state includes:
acquiring at least one output result output by an application detection module, a channel detection module, a user interaction module and a human body effect detection module, and starting a power adjustable module by an adaptive control module when the Bluetooth power control is found to be at the upper limit of the maximum transmitting power threshold and has a transmission pause;
the power adjustable module selects a proper power grade and transmits a power target value according to the current power value and user interaction setting;
the power adjustable module compares the actual sampled signals and audio values of the Bluetooth chip and the baseband chip with target values, and the comparison result is fed back to the adaptive control module to realize closed-loop feedback control adjustment until the Bluetooth data or audio transmission is smooth.
In the foregoing solution, the receiving the target adjustment parameter, and performing optimization adjustment according to the target adjustment parameter until the bluetooth performance of the terminal reaches an expected working state includes:
acquiring at least one output result output by an application detection module, a channel detection module, a user interaction module and a human body effect detection module, and starting a channel selection and avoidance module when the same-frequency-band channel interference in the current environment is detected;
the channel selection and avoidance module is used for selecting a clean channel range to carry out frequency hopping and avoiding an interference channel;
and comparing the actually sampled signals and audio values of the Bluetooth chip and the baseband chip with the power target value, and feeding the comparison result back to the self-adaptive control module to realize closed-loop feedback control and regulation until the Bluetooth data or audio transmission is smooth.
In the foregoing solution, the receiving the target adjustment parameter, and performing optimization adjustment according to the target adjustment parameter until the bluetooth performance of the terminal reaches an expected working state includes:
acquiring at least one output result output by the application detection module, the channel detection module, the user interaction module and the human body effect detection module, and judging whether the static effect or the dynamic effect is achieved when the human body effect detection module detects that electromagnetic waves are absorbed and attenuated due to obvious human body effect, so as to obtain a judgment result;
when the judgment result is static influence, the self-adaptive control module controls the antenna switching and adjusting module to switch the Bluetooth antenna to a position far away from the contact part of the human body, and then real-time matching fine adjustment is carried out, and the attenuation power is compensated at the same amplitude;
and comparing the actually sampled signals and audio values of the Bluetooth chip and the baseband chip with the power target value, and feeding the comparison result back to the self-adaptive control module to realize closed-loop feedback control and regulation until the Bluetooth data or audio transmission is smooth.
In the foregoing solution, the receiving the target adjustment parameter, and performing optimization adjustment according to the target adjustment parameter until the bluetooth performance of the terminal reaches an expected working state includes:
acquiring at least one output result output by the application detection module, the channel detection module, the user interaction module and the human body effect detection module, and judging whether the static effect or the dynamic effect is achieved when the human body effect detection module detects that electromagnetic waves are absorbed and attenuated due to obvious human body effect, so as to obtain a judgment result;
when the judgment result is dynamic influence, the self-adaptive control module calls the mean power attenuation value under the corresponding motion form to perform same-amplitude attenuation compensation and controls the hysteresis buffer module to buffer and smooth the transmission signal so as to prevent blockage;
and comparing the actually sampled signals and audio values of the Bluetooth chip and the baseband chip with the power target value, and feeding the comparison result back to the self-adaptive control module to realize closed-loop feedback control and regulation until the Bluetooth data or audio transmission is smooth.
In the foregoing solution, the receiving the target adjustment parameter, and performing optimization adjustment according to the target adjustment parameter until the bluetooth performance of the terminal reaches an expected working state includes:
acquiring at least one output result output by the application detection module, the channel detection module, the user interaction module and the human body effect detection module, and if detecting the bluetooth blockage or interruption caused by the unavoidable signal interference near 2.4GHz, starting the coexistence adjustment module by the self-adaptive control module;
the coexistence adjusting module judges the use condition of other current ISM frequency band equipment by applying the detection result of the detection module, starts narrow-band filtering and antenna channel adjustment of the corresponding frequency band, and performs corresponding adjusting control on a frequency hopping channel, the maximum transmitting power and the working time slot of the Bluetooth so as to reduce coexistence influence;
and comparing the actually sampled signals and audio values of the Bluetooth chip and the baseband chip with the power target value, and feeding the comparison result back to the self-adaptive control module to realize closed-loop feedback control and regulation until the Bluetooth data or audio transmission is smooth.
The communication terminal with the self-adaptive Bluetooth performance regulation of the embodiment of the invention comprises: the detection unit is used for detecting state parameters of a current terminal user in various different Bluetooth application environments and target requirements of the current terminal user when starting Bluetooth communication transmission to obtain a detection result, and sending the detection result to the self-adaptive control unit; the self-adaptive control unit is used for receiving and analyzing the detection result to obtain the state parameter and the target requirement, obtaining a target adjustment parameter corresponding to the Bluetooth after the relevant parameter is adjusted according to the state parameter and the target requirement, controlling the starting of the adjustment unit, and sending the target adjustment parameter to the adjustment unit for processing according to a first preset rule; and the adjusting unit is used for receiving the target adjusting parameter and carrying out optimization adjustment according to the target adjusting parameter until the Bluetooth performance of the terminal reaches an expected working state.
By adopting the embodiment of the invention, the state parameters of the current terminal user in various different Bluetooth application environments and the target requirements of the current terminal user when starting Bluetooth communication transmission are obtained through the detection unit, the self-adaptive control unit receives the state parameters of the different Bluetooth application environments and the target requirements of the current terminal user, and controls the adjustment unit to adjust, so that the adjustment unit performs optimization adjustment according to the received target adjustment parameters until the Bluetooth performance of the terminal reaches the expected working state, and the adverse effect caused by the avoidance factor on any aspect can be aimed at, and the Bluetooth performance is further adjusted to a good communication state.
Drawings
Fig. 1 is a block diagram of an example of hardware of a communication terminal to which adaptive bluetooth performance adjustment according to an embodiment of the present invention is applied;
fig. 2 is a flowchart of a bluetooth adaptive performance adjustment process of a communication terminal according to an embodiment of the present invention.
Detailed Description
The following describes the embodiments in further detail with reference to the accompanying drawings.
The communication terminal for self-adaptive Bluetooth performance adjustment of the embodiment of the invention comprises:
the detection unit is used for detecting state parameters of a current terminal user in various different Bluetooth application environments and target requirements of the current terminal user when starting Bluetooth communication transmission to obtain a detection result, and sending the detection result to the self-adaptive control unit;
the self-adaptive control unit is used for receiving and analyzing the detection result to obtain the state parameter and the target requirement, obtaining a target adjustment parameter corresponding to the Bluetooth after the relevant parameter is adjusted according to the state parameter and the target requirement, controlling the starting of the adjustment unit, and sending the target adjustment parameter to the adjustment unit for processing according to a first preset rule;
and the adjusting unit is used for receiving the target adjusting parameter and carrying out optimization adjustment according to the target adjusting parameter until the Bluetooth performance of the terminal reaches an expected working state.
In an embodiment of the present invention, the expected operating state is used to characterize: the support terminal can adjust through different performances under various different application environments, communication states and user personalized target requirements, so that the Bluetooth communication transmission is always in the optimal working state, and the phenomenon of blockage or interruption under the remote dynamic application environment with obstacles is reduced.
In an embodiment of the present invention, the detecting unit further includes:
and the application detection module is used for detecting the Bluetooth application environment of the current terminal user, completing the detection including the terminal wireless communication system, the communication mode and the mode requirement of the terminal user, sending the obtained detection result to the self-adaptive control unit and then providing the detection result to the corresponding adjustment module to realize the corresponding adjustment so as to obtain the avoidance result of the corresponding channel.
In an embodiment of the present invention, the detecting unit further includes:
and the channel detection module is used for detecting the channel quality state including the current terminal Bluetooth and the channel occupation condition in the external same frequency and adjacent frequency range, sending the obtained detection result to the self-adaptive control unit and then providing the detection result to the corresponding adjustment module to realize corresponding adjustment so as to obtain the avoidance result of the corresponding channel.
In an embodiment of the present invention, the detecting unit further includes:
and the user interaction module is used for receiving related wireless settings and requests of a user, supporting the user to set a mode corresponding to the Bluetooth application environment and a target requirement of a current terminal user so as to generate a control instruction, sending the control instruction to the self-adaptive control unit and then providing the control instruction to the corresponding adjustment module to realize corresponding adjustment, so as to obtain a corresponding expected working state.
In an embodiment of the present invention, the detecting unit further includes:
and the human body effect detection module is used for sensing the influence of the current terminal Bluetooth antenna on the human body effect, sending the obtained sensing result to the self-adaptive control unit and then providing the sensing result to the corresponding adjustment module to realize corresponding adjustment, so as to obtain a result of reducing the human body effect influence.
In an embodiment of the present invention, the adjusting unit further includes:
and the antenna switching and adjusting module is used for acquiring at least one output result output by the application detection module, the channel detection module, the user interaction module and the human body effect detection module, and when the sensing result output by the human body effect detection module is acquired, the current antenna contact position and attenuation are judged according to the sensing result to carry out real-time switching and matching adjustment so as to reduce the human body antenna effect and switch the Bluetooth antenna to a position far away from the human body contact part.
In an embodiment of the present invention, the adjusting unit further includes:
and the power adjustable module is used for acquiring at least one output result output by the application detection module, the channel detection module, the user interaction module and the human body effect detection module, and combining the influence of three indexes of transmission distance, power consumption and human body radiation aiming at various different Bluetooth application environments to realize digital power calling and multistage variable adjustment under different requirements.
In an embodiment of the present invention, the adjusting unit further includes:
and the channel selection and avoidance module is used for acquiring at least one output result output by the application detection module, the channel detection module, the user interaction module and the human body effect detection module, and when the detection result output by the channel detection module is acquired, the selection and avoidance of the Bluetooth communication channel are realized according to the detection result and an anti-interference algorithm, so that the Bluetooth communication transmission is always on a channel with small interference and high communication quality.
In an embodiment of the present invention, the adjusting unit further includes:
and the coexistence adjusting module is used for acquiring at least one result output by the application detection module, the channel detection module, the user interaction module and the human body effect detection module, and optimizing the coexistence performance between the Bluetooth and other equipment according to the current Bluetooth application scene and the target requirement so as to preferentially ensure the Bluetooth communication quality.
The communication method for self-adaptive Bluetooth performance adjustment in the embodiment of the invention is applied to the communication terminal in any one of the schemes, and comprises the following steps:
detecting state parameters of a current terminal user in various different Bluetooth application environments when starting Bluetooth communication transmission and target requirements of the current terminal user to obtain a detection result, and sending the detection result to an adaptive control unit;
receiving and analyzing the detection result to obtain the state parameter and the target requirement, obtaining a corresponding target adjustment parameter after adjusting the related parameters of the Bluetooth according to the state parameter and the target requirement, controlling the starting of the adjustment unit, and sending the target adjustment parameter to the adjustment unit for processing according to a first preset rule;
and receiving the target adjustment parameter, and carrying out optimization adjustment according to the target adjustment parameter until the Bluetooth performance of the terminal reaches an expected working state.
In an embodiment of the present invention, the detecting a state parameter of a current terminal user in various different bluetooth application environments when starting bluetooth communication transmission and a target requirement of the current terminal user to obtain a detection result, and sending the detection result to an adaptive control unit includes:
receiving related wireless settings and requests of a user through a user interaction module, and supporting the user to set a mode corresponding to a Bluetooth application environment and a target requirement of a current terminal user so as to generate a control instruction;
and starting an adaptive control module and an application detection module, wherein the adaptive control module receives the control instruction and triggers the application detection module to detect the current wireless and cellular mode starting conditions, external frequency band interference information, a mobile phone power emission value and a human body effect so as to feed back the current wireless and cellular mode starting conditions, the external frequency band interference information, the mobile phone power emission value and the human body effect to the adaptive control module to perform corresponding control.
In an embodiment of the present invention, the receiving the target adjustment parameter, and performing optimization adjustment according to the target adjustment parameter until the bluetooth performance of the terminal reaches an expected working state includes:
acquiring at least one output result output by an application detection module, a channel detection module, a user interaction module and a human body effect detection module, and starting a power adjustable module by an adaptive control module when the Bluetooth power control is found to be at the upper limit of the maximum transmitting power threshold and has a transmission pause;
the power adjustable module selects a proper power grade and transmits a power target value according to the current power value and user interaction setting;
the power adjustable module compares the actual sampled signals and audio values of the Bluetooth chip and the baseband chip with target values, and the comparison result is fed back to the adaptive control module to realize closed-loop feedback control adjustment until the Bluetooth data or audio transmission is smooth.
In an embodiment of the present invention, the receiving the target adjustment parameter, and performing optimization adjustment according to the target adjustment parameter until the bluetooth performance of the terminal reaches an expected working state includes:
acquiring at least one output result output by an application detection module, a channel detection module, a user interaction module and a human body effect detection module, and starting a channel selection and avoidance module when the same-frequency-band channel interference in the current environment is detected;
the channel selection and avoidance module is used for selecting a clean channel range to carry out frequency hopping and avoiding an interference channel;
and comparing the actually sampled signals and audio values of the Bluetooth chip and the baseband chip with the power target value, and feeding the comparison result back to the self-adaptive control module to realize closed-loop feedback control and regulation until the Bluetooth data or audio transmission is smooth.
In an embodiment of the present invention, the receiving the target adjustment parameter, and performing optimization adjustment according to the target adjustment parameter until the bluetooth performance of the terminal reaches an expected working state includes:
acquiring at least one output result output by the application detection module, the channel detection module, the user interaction module and the human body effect detection module, and judging whether the static effect or the dynamic effect is achieved when the human body effect detection module detects that electromagnetic waves are absorbed and attenuated due to obvious human body effect, so as to obtain a judgment result;
when the judgment result is static influence, the self-adaptive control module controls the antenna switching and adjusting module to switch the Bluetooth antenna to a position far away from the contact part of the human body, and then real-time matching fine adjustment is carried out, and the attenuation power is compensated at the same amplitude;
and comparing the actually sampled signals and audio values of the Bluetooth chip and the baseband chip with the power target value, and feeding the comparison result back to the self-adaptive control module to realize closed-loop feedback control and regulation until the Bluetooth data or audio transmission is smooth.
In an embodiment of the present invention, the receiving the target adjustment parameter, and performing optimization adjustment according to the target adjustment parameter until the bluetooth performance of the terminal reaches an expected working state includes:
acquiring at least one output result output by the application detection module, the channel detection module, the user interaction module and the human body effect detection module, and judging whether the static effect or the dynamic effect is achieved when the human body effect detection module detects that electromagnetic waves are absorbed and attenuated due to obvious human body effect, so as to obtain a judgment result;
when the judgment result is dynamic influence, the self-adaptive control module calls the mean power attenuation value under the corresponding motion form to perform same-amplitude attenuation compensation and controls the hysteresis buffer module to buffer and smooth the transmission signal so as to prevent blockage;
and comparing the actually sampled signals and audio values of the Bluetooth chip and the baseband chip with the power target value, and feeding the comparison result back to the self-adaptive control module to realize closed-loop feedback control and regulation until the Bluetooth data or audio transmission is smooth.
In an embodiment of the present invention, the receiving the target adjustment parameter, and performing optimization adjustment according to the target adjustment parameter until the bluetooth performance of the terminal reaches an expected working state includes:
acquiring at least one output result output by the application detection module, the channel detection module, the user interaction module and the human body effect detection module, and if detecting the bluetooth blockage or interruption caused by the unavoidable signal interference near 2.4GHz, starting the coexistence adjustment module by the self-adaptive control module;
the coexistence adjusting module judges the use condition of other current ISM frequency band equipment by applying the detection result of the detection module, starts narrow-band filtering and antenna channel adjustment of the corresponding frequency band, and performs corresponding adjusting control on a frequency hopping channel, the maximum transmitting power and the working time slot of the Bluetooth so as to reduce coexistence influence;
and comparing the actually sampled signals and audio values of the Bluetooth chip and the baseband chip with the power target value, and feeding the comparison result back to the self-adaptive control module to realize closed-loop feedback control and regulation until the Bluetooth data or audio transmission is smooth.
The embodiment of the invention is explained by taking a practical application scene as an example as follows:
the present application scenario is illustrated with the following four aspects of the factors affecting bluetooth performance:
firstly, because the maximum transmission power supportable by bluetooth has a great influence on the performance of the transmission distance, while the conventional scheme has a limit of bluetooth power level set by software, such as CLASS2, which limits the maximum transmission power range to-6 dB to 4dB, the default power of software code is generally about 0dB, the transmission power is fixed and not adjustable, if the loss of the radio frequency front end increases or the antenna is shared, the attenuation from the bluetooth chip to the antenna front end further increases, so the radiation power of bluetooth is greatly reduced. Therefore, the maximum linear transmission distance of the Bluetooth is limited to be within 10 meters, and the reason why the Bluetooth transmission is interrupted or a sound pause phenomenon occurs under the condition that the distance is more than 10 meters or an obstacle exists is also limited.
Secondly, since the ISM band used by bluetooth is a band open to all radio systems, and its frequency range is 2402 + 2480MHz, it will encounter various interference sources, so bluetooth adopts packet rapid acknowledgement technology and frequency hopping scheme to ensure the stability of link and channel. The general physical channels of bluetooth are 79 or 39, and during transmission, the radio frequency channels are randomly hopped by a pseudo-random sequence, and the sensitivity of each channel is more or less different, so if bluetooth hops to a channel with weak signal or easy interference, the voice stability and transmission rate of the bluetooth connection terminal will be affected.
When the bluetooth headset is connected with the mobile phone, if the mobile phone or the headset is placed close to a human body, or the human body is in a non-static state, such as walking, moving, turning around and the like, due to the influence of the directivity of the antenna, the bluetooth audio transmission may have an obvious pause phenomenon. Meanwhile, due to the human body effect, the Bluetooth headset is placed on the left ear or the right ear, the mobile phone is placed on the same side or different sides of the body, the antenna gain and the efficiency are affected by the absorption of the human body and can be changed, and the communication voice or audio transmission quality is further affected. Therefore, how to reduce the influence of human body in the application process of the mobile phone Bluetooth and ensure the smoothness of wireless communication and audio playing without blockage is also a problem which needs to be solved urgently by the current Bluetooth. At present, the method for reducing the human head and hand indexes is mainly adopted for solving the problem, but the effect is not obvious.
In the use process of the mobile phone Bluetooth, due to the existence of external WIFI in the same frequency range, stray interference of LTE signals or WIFI of the mobile phone, the phenomenon of blockage is obvious when the LTE is started can be found by using the Bluetooth, and then the transmission quality of call voice or audio is influenced. How to smoothly use the bluetooth under the condition of adjacent channel interference or start the devices in other ISM frequency range for use at the same time is also a problem which needs to be solved at present. The existing scheme reduces the influence by a software method, but the effect is not obvious.
The application scene adopts the embodiment of the invention, firstly, the invention is different from a Bluetooth transmitting mode with single fixed power, and fully considers various application states and differentiation requirements of the mobile phone, so that the Bluetooth transmission power and the coverage area can be dynamically adjusted; secondly, the invention does not limit the transmission and the reception of the traditional random frequency hopping mode, but realizes the fixed selection and the effective avoidance of a transmission channel, a modulation mode and a transmission rate through a wireless detection and analysis technology. And thirdly, the current human body antenna effect and the motion mode state are monitored in real time, the antenna distribution and the directional diagram are switched and adjusted in an all-around mode, and the human body attenuation efficiency is properly compensated, matched and fine-tuned, so that the influence of the human body effect is reduced. Finally, the coexistence influence of the Bluetooth equipment in the using process is fully considered, and the smoothness and the priority rate of a Bluetooth channel are preferentially ensured by an active coexistence adjustment method and a passive coexistence adjustment method, so that the Bluetooth wireless connection and transmission are smoother without blockage.
To sum up, the application scenario adopting the embodiment of the present invention can avoid adverse effects caused by any of the above factors, and further adjust the bluetooth performance to a good communication state, which is an intelligent, convenient and fast adaptive adjustment scheme for the bluetooth performance of the mobile terminal, so as to ensure that the terminal can achieve different performance adjustments in various application environments, communication states and personalized requirements, so that the bluetooth of the mobile phone is always in an optimal working state, and the phenomenon of hang-up or interruption in a remote dynamic application environment with obstacles is reduced, and the communication terminal mainly includes the following contents:
the communication terminal includes: the device comprises a baseband chip module, a Bluetooth chip module, a mobile phone EEPROM module, a Bluetooth antenna module, an adaptive control module, an application detection module, a channel detection module, a user interaction module, a human body effect detection module, an antenna switching and adjusting module, a channel selection and avoiding module, a power adjustable module and a coexistence adjusting module.
The application detection module is connected with the adaptive control module and the user interaction module and is used for detecting various application scenes of the current mobile phone user and outputting a detection result to the adaptive control module to realize adaptive performance adjustment control.
The adaptive control module is connected with each application detection module (such as an application detection module, a channel detection module, a user interaction module and a human body effect detection module) and each adjusting module (such as an antenna switching and adjusting module, a channel selection and avoidance module, a power adjustable module and a coexistence adjusting module) and is used for performing different optimal adjustment control on different scene states.
And the power adjustable module is connected with the self-adaptive control module and the mobile phone EPPROM module and is used for realizing digital power calling and multi-stage variable adjustment under different requirements by combining transmission distance, power consumption and human body radiation influence under different application scenes.
And the channel detection module is connected with the self-adaptive control module and is used for detecting the channel quality state of the current mobile phone Bluetooth and the channel occupation condition in the external same frequency and adjacent frequency range, and outputting the detection result to the self-adaptive control module to realize corresponding channel avoidance and adjustment.
And the channel selection and avoidance module is connected with the self-adaptive control module and is used for realizing the selection and avoidance of the Bluetooth communication channel, and the Bluetooth is always positioned on a channel with small interference and high communication quality through a signal detection result and an anti-interference algorithm of the channel detection module.
And the human body effect detection module is connected with the self-adaptive control module and used for sensing the influence of the current Bluetooth antenna of the mobile phone on the human body effect and transmitting the detection result to the antenna switching and adjusting module.
And the antenna switching and adjusting module is connected with the self-adaptive control module and used for switching and matching adjustment of the Bluetooth antenna in real time so as to reduce the human body antenna effect.
And the coexistence adjusting module is connected with the self-adaptive control module and used for optimizing the coexistence performance between the Bluetooth and other equipment according to the current application scene and the user requirements so as to preferentially ensure the communication quality of the Bluetooth.
And the user interaction module is connected with the baseband chip module and the self-adaptive control module and is used for receiving related wireless settings and requests of users and sending control instructions to the self-adaptive control module to realize regulation control.
And the baseband chip module is connected with the self-adaptive control module and the Bluetooth chip module and is used for processing the digital and audio of the Bluetooth signal.
And the mobile phone EEPROM module is connected with the mobile phone Bluetooth chip module and each optimization adjusting module to realize the storage of variable power calibration data, the storage of antenna human body model absorption ratio data and the storage of coexistence adjusting parameters.
The Bluetooth chip module is connected with the modules and used for transmitting and receiving Bluetooth signals.
The Bluetooth antenna module is connected with the Bluetooth chip module, the self-adaptive control module is connected with the antenna switching and adjusting module, and is used for wirelessly transmitting and receiving Bluetooth signals, receiving instructions of the self-adaptive adjusting module and the antenna switching and adjusting module, and switching antenna modes and matching.
The circuitry and process for the above adaptive performance adjustment is described in detail below in conjunction with fig. 1-2.
Application example one:
fig. 1 is a block diagram of an example of hardware of a communication terminal to which adaptive bluetooth performance adjustment according to an embodiment of the present invention is applied, where as shown in fig. 1, the communication terminal with adjustable bluetooth performance includes: the device comprises a baseband chip module 110, a bluetooth chip module 111, a mobile phone EEPROM module 112, a bluetooth antenna module 113, an adaptive control module 114, an application detection module 115, a channel detection module 116, a user interaction module 117, a human body effect detection module 118, an antenna switching and adjusting module 119, a channel selection and avoidance module 120, a power adjustable module 121, and a coexistence adjusting module 122. Wherein, the application detection module 115, the channel detection module 116, the user interaction module 117, and the human body effect detection module 118 constitute the detection unit in the above embodiments; the antenna switching and adjusting module 119, the channel selecting and avoiding module 120, the power adjustable module 121, and the coexistence adjusting module 122 constitute the adjusting unit in the above embodiments; the adaptive control module 114 is an adaptive control unit in the above embodiment.
The application detection module is connected with the self-adaptive control module and used for detecting various application scenes and user requirements of the current mobile phone Bluetooth and outputting a detection result to the self-adaptive control module to realize self-adaptive performance adjustment control. Here, the application detection module mainly completes detection of a wireless communication system and a wireless communication mode of the mobile phone, such as whether WIFI is turned on or not, whether an LTE adjacent frequency band is in use or not, and simultaneously detects a mode requirement of a mobile phone user, whether data service transmission or wireless bluetooth communication or wireless audio playing. The application detection module transmits the detection result to each control adjustment module to realize the wireless control modulation of the Bluetooth.
And the self-adaptive control module is connected with the application detection module and each control adjustment module and is used for performing different adjustment response control on the scene state adjustment states of different Bluetooth. The module detects the application state and performance quality of the current Bluetooth in real time, adjusts relevant parameters of the mobile phone Bluetooth in real time according to user requirements and detection results, and starts each corresponding control adjustment optimization module to realize closed-loop control until the Bluetooth performance reaches the optimum.
The power adjustable module is connected with the self-adaptive control module and the mobile phone EEPROM module and is used for realizing digital power calling and multi-level variable adjustment under different requirements by combining the influence of three indexes, namely transmission distance, power consumption and human body radiation, under different application scenes. The module is internally provided with a plurality of groups of power control files, corresponding power output grades such as the CLASS1, CLASS1.5, CLASS2 and CLASS3 are adopted according to the detected signal and audio quality, the SAR value requirement set by a user, the information requirements such as the energy-saving mode requirement and the like, and corresponding maximum average target power value starting parameters are applied under the corresponding power grades. In the working process of the Bluetooth, after the maximum output power grade of various debugging modes such as GFSK, DQPSK and 8DPSK is adjusted, the transmitting power is divided into two forms of coarse tuning and fine tuning according to the quality of a transmission signal, the coarse tuning step is 4DB, the fine tuning step is 1DB, parameters and instructions to be adjusted are stored in an EEPROM module of the mobile phone, and the module capable of adjusting the power can be called according to a detection result.
The channel detection module is connected with the self-adaptive control module and used for detecting the channel quality state of the current mobile phone Bluetooth and the channel occupation condition in the external same frequency and adjacent frequency range, and the detection result is output to the self-adaptive control module to realize corresponding channel avoidance and adjustment. The signal detection module detects four aspects, namely 79 channels in a frequency range from 2402MHz to 2480MHz of bluetooth, checks the occupation situation of the 79 channels by frequency sweeping, scans the occupation situation of 14 channels in a frequency range from 2412 + 2484MHz of WIFI, and scans the occupation situation of a transmission channel in a frequency range from 2300 + 2500MHz of LTE, such as the occupation situation of channels in frequency ranges of LTE B7, B40 and B41. And finally, scanning the channel occupation situation in other adjacent zone ranges of the Bluetooth. And outputting the result to a channel selection and avoidance module for further processing through the distribution map occupied by the channel resources and the statistical analysis of the RSSI (received signal strength indicator).
The channel selection and avoidance module is connected with the self-adaptive control module and used for realizing the selection and avoidance of the Bluetooth communication channel, and the Bluetooth is always positioned on a channel with small interference and high communication quality through a signal detection result and an anti-interference algorithm of the channel detection module. The principle of channel selection is to analyze the signal frequency band occupation situation on the whole ISM band according to the statistical result of the channel detection module, and limit the frequency hopping channel of the bluetooth to a frequency band range with less interference, for example, the frequency hopping can be randomly performed in 1-79 channels originally, and the frequency hopping of the bluetooth channel is limited to the 39-79 channels after the current detection finds that there are other wireless interference frequency bands in 1-38 channels. Meanwhile, the channel selection also needs to take into account the sensitivity characteristics, the transmitting power and other modulation characteristics of each channel of the Bluetooth, preferentially uses a transmission channel with high channel quality, such as a minimum input electric flat bottom, a maximum transmitting power and a channel with a good modulation coefficient for preferential transmission, and can even be fixed on a certain channel with a best radio frequency characteristic for transmission and reception. And finally, if one or more channels are found to have same frequency or adjacent frequency large radiation interference, starting a channel avoidance mechanism, skipping interference channel transmission during polling frequency hopping, avoiding the same frequency channel firstly, then 1M, 2M and 3MHz adjacent channel stray response points, and if the interference is full-band coverage, fixing the Bluetooth frequency hopping channel on the frequency band with the minimum stray response points. The avoidance principle is that the same frequency is preferred, then the large interference signal is preferred, for example, the interference of-27 DB is far larger than that of-50, and the adjacent channel is preferred. And, the WIFI main channel and the adjacent LTE frequency band and channel are firstly avoided in the Bluetooth frequency hopping avoidance.
The human body effect detection module is connected with the application detection module, the self-adaptive control module and the mobile phone EEPROM module and used for sensing the influence of the current mobile phone Bluetooth antenna on the human body effect and transmitting the detection result to the antenna switching and adjusting module. In the use process of the Bluetooth of the mobile phone, due to the fact that a human body is in a region close to a magnetic field of an antenna, the radiation characteristic of the antenna can be greatly influenced under the action of the antenna effect of the human body, and when the antenna is generally designed and optimized, the efficiency of a free space is generally considered, so that only TRP (total radiated power) and TIS (total radiated power) values of the free space are tested, the influence of human heads and human hands can be considered by part of the mobile phones, but a human body model is simple and representative, and the influence can be avoided by reducing a threshold through OTA (over the air). Meanwhile, when a bluetooth signal is transmitted between the bluetooth headset and the mobile phone in the air space, the bluetooth signal often penetrates through one or more human bodies, and at the moment, the efficiency of the electromagnetic wave antenna is greatly reduced due to the influence of human body effects and the influence of multipath attenuation of electromagnetic waves when encountering obstacles. Formally, the human body can affect the directional diagram and the efficiency of the mobile phone Bluetooth antenna, so that the human body effect detection module is required to detect and evaluate the effect of the mobile phone Bluetooth antenna in real time.
In the human body effect detection module, the human body is designed into five parts of a human head, a human hand, a chest, an arm and a waist carrying part in advance, each part is divided into a left half part and a right half part, such as a left half waist and a right half waist, so that the total number of the parts is ten human body models. And storing the directional diagram and the efficiency reduction value generated by each human body model corresponding frequency band in a mobile phone EEPROM, and simultaneously storing the spherical directional diagram and the antenna efficiency of the free space without human body influence in a mobile phone EEPROM parameter file to be used as the target directional diagram and the efficiency value. For example, when the mobile phone is placed in a left pocket, relative to a free space state, a directional diagram of the bluetooth antenna is no longer horizontally or vertically polarized symmetrically, meanwhile, the maximum radiation power is reduced by 4DB, and the antenna efficiency is reduced by 60%, then relevant theoretical model information is preset in advance, when the human body effect detection module detects relevant data, the current relative human body position and influence measurement of the mobile phone can be estimated, and then corresponding repair adjustment is made.
The human body effect detection module can detect the influence conditions under static and dynamic modes, when the mobile phone detects that the Bluetooth device is relatively static and close to a relevant part of a human body, if a conversation or audio frequency blocking phenomenon occurs, the human body effect detection module calculates an attenuation value of the part of the mobile phone contacting the human body according to a preset electromagnetic wave absorption model value and a current test value, if large attenuation occurs, the problem that the directivity of the Bluetooth antenna has balance at the moment is shown, the influence of the received human body absorption is large, or the central frequency deviates, the antenna switching and adjusting module needs to be started, so that the influence of the human body is reduced.
When the mobile phone detects that the Bluetooth device moves relative to the human body, such as turning, walking, vibrating, jumping, swimming and other actions, the application detection module receives the speed, acceleration and angular acceleration information transmitted back by the mobile phone acceleration sensor or gyroscope. When a human body moves in a radio wave space, the transmitted power and the received power have multipath propagation attenuation to a certain extent because the human body and a building are scatterers of electromagnetic wave signals. The human body effect detection module adds a dynamic hysteresis value to a current attenuation value and feeds back the result to the adaptive control module for real-time adjustment control.
The antenna switching and adjusting module is connected with the adaptive control module and the Bluetooth antenna module and used for switching and matching adjustment of the Bluetooth antenna in real time so as to reduce the human body antenna effect. The antenna switching module judges the current antenna contact position and attenuation amount through the output result of the human body effect detection module, and switches the Bluetooth antenna to the position far away from the human body contact part.
The coexistence adjusting module is connected with the application detecting module and the self-adaptive control module and is used for adjusting the working mechanism of the coexistence equipment related to the Bluetooth according to the current application scene and the user requirement so as to preferentially ensure the communication quality of the Bluetooth. The coexistence adjustment module judges which related devices are currently used through the detection result of the application detection module, such as WIFI, LTE, other BT devices, other ISM frequency band devices and the like, if coincidence exists in the frequency band range, interference and influence can be caused to the work of the Bluetooth devices, the coexistence adjustment function is started by the self-adaptive control module at the moment, the frequency hopping channel of the Bluetooth is subjected to self-adaptive control, the maximum transmitting power is obtained, the working time slot and the antenna branch are correspondingly adjusted and controlled, the working time slot and the antenna branch work nearby the frequency far away from the coexistence devices, the interference level influence is reduced by improving the self-adaptive power, the time slot duty ratio and the time slot number of the WIFI are increased in the work time slot allocation, and finally, the antenna branch with high spatial isolation and small correlation coefficient is selected as a Bluetooth transmitting and. And simultaneously, carrying out corresponding balance adjustment on the maximum transmitting power, the working channel and the working time slot of the self coexistence equipment.
In addition, the coexistence adjustment module implements filtering processing of adjacent frequency bands by means of a built-in narrow-band filter bank and a control switch, and when the application detection module detects that an adjacent-band coexistence frequency band appears, such as B7, B38, B40, B41 of LTE, the coexistence adjustment module controls the switch to gate the narrow-band filter of the corresponding frequency band, so as to reduce emission leakage interference of the adjacent frequency.
The user interaction module is connected with the baseband chip module and the self-adaptive control module and used for receiving related wireless settings and requests of users and sending control instructions to the self-adaptive control module to realize regulation control. The user interaction module is displayed through a newly added UI (user interface) of the mobile phone, a user can set the wireless signal coverage level of a Bluetooth signal, the electromagnetic wave radiation threshold level, the starting and closing of a province mode, the selection of a motion mode, the weakening and enabling of a human body effect, the selection of a coexistence priority level and the like, and the self-adaptive control module starts a corresponding adjustment module through the setting of the user interaction mode to obtain a corresponding function state.
The baseband chip module is connected with the adaptive control module and the Bluetooth chip module, and is used for processing the digital and audio of the Bluetooth Signal and detecting the current mobile phone wireless Signal amplitude (RSSI) value. The RSSI mainly monitors BT, WIFI and LTE signal intensity, the quality of a receiving link of a baseband judging chip, the signal intensity and the stability of the signal intensity, the signal amplitude is fed back to the adaptive control module to adaptively adjust the Bluetooth performance,
the mobile phone EEPROM module is connected with the Bluetooth chip module and each optimization adjusting module to realize the storage of power calibration data, the storage of a priority channel, the storage of an antenna human body model, the storage of coexistence adjusting parameters and information, and the writing of the adjusted parameters into a corresponding file of the mobile phone for real-time calling.
The Bluetooth chip module is connected with the adaptive control module and the baseband chip module and used for demodulating and converting signals received by the Bluetooth antenna into corresponding digital audio signals, transmitting the digital audio signals to the baseband chip for further digital processing, modulating, amplifying and filtering the digital audio signals and transmitting the digital audio signals through the radio frequency antenna.
The Bluetooth antenna module is connected with the Bluetooth chip module, the self-adaptive control module and the antenna switching and adjusting module, is used for wirelessly transmitting and receiving Bluetooth signals, and is also used for receiving instructions of the self-adaptive adjusting module and the antenna switching and adjusting module, and switching antenna modes and matching. The Bluetooth antenna module is composed of various Bluetooth parasitic antennas distributed around the mobile phone and variable matching, when the Bluetooth chip works, the self-adaptive control module controls the antenna switching and adjusting module to display antenna gating of different directional diagrams and human body models according to the setting of the user interaction module and the detection result of the human body effect detection module, and matching fine adjustment is carried out according to the Bluetooth transmission effect after a specific antenna is gated, so that the antenna efficiency and the human body influence are further improved.
Application example two:
fig. 2 is a flowchart illustrating bluetooth adaptive performance adjustment of a mobile terminal according to the present invention, and as shown in fig. 2, the method of the mobile terminal according to the present invention includes:
301, a mobile phone user sets a Bluetooth application scene mode and individual requirements through a user interaction module;
step 302, automatically opening the adaptive control module and the application detection module after the Bluetooth is started by the mobile phone;
step 303, detecting parameters such as the current wireless and cellular mode starting condition, external frequency band interference information, a mobile phone power emission value, RSSI information, human body magnetic field absorption information and the like by using a detection module, and feeding back the parameters to an adaptive control module to perform corresponding feedback control;
step 304, when finding that the bluetooth power control is in the maximum transmission power threshold upper limit and there is a transmission pause, the adaptive control module randomly starts the power adjustable module, and then, the step 308 is executed to increase the transmission power until the pause disappears;
305, when detecting that the same frequency band channel interference exists in the current environment, starting a channel selection and avoidance module, and then executing 309, selecting a clean channel range for frequency hopping to avoid an interference channel;
step 306, when the human body effect detection module detects that the electromagnetic wave is absorbed and attenuated due to obvious human body effect, judging whether the electromagnetic wave is a static effect or a dynamic effect, if the electromagnetic wave is the static effect, executing step 310, and if the electromagnetic wave is the dynamic effect, executing step 311;
307, if detecting bluetooth blockage or interruption caused by unavoidable signal interference near 2.4GHz, starting a coexistence adjustment module by the self-adaptive control module, and executing the step 312;
308, the power adjustable module selects a proper power grade according to the current power value and the user interaction setting, transmits a power target value, and then executes step 313;
step 309, a channel selection and avoidance module, selecting a clean channel range to perform frequency hopping and avoid an interference channel, and then executing step 313;
310, if the influence is static, the self-adaptive control module controls the antenna switching and adjusting module to switch the Bluetooth antenna to a position far away from the contact part of the human body, then real-time matching fine adjustment is carried out, the attenuation power is compensated with the same amplitude, and then step 313 is executed;
311, if the dynamic influence is caused, the self-adaptive control module calls a mean power attenuation value under the corresponding motion form to perform same-amplitude attenuation compensation, controls the hysteresis buffer module to buffer and smooth the transmission signal to prevent the occurrence of jamming, and then executes 313;
step 312, the coexistence adjustment module determines the use condition of other current ISM band devices by using the detection result of the detection module, starts narrowband filtering and antenna channel adjustment of the corresponding band, and performs corresponding adjustment control on the frequency hopping channel, the maximum transmission power and the working time slot of the bluetooth to reduce coexistence influence, and then executes step 313;
step 313, the adjusting module compares the actual sampled signals and audio values of the bluetooth chip and the baseband chip with the target value, and the comparison result is fed back to the adaptive control module to realize closed-loop feedback control adjustment until the bluetooth data or audio transmission is smooth.
In summary, the two application examples one-two adopt the embodiments of the present invention to achieve the following beneficial effects:
the maximum transmitting power which can be supported by the Bluetooth is changed on the source through the power self-adaptive controllable regulation, the Bluetooth can hop to the channel range with the minimum interference through a channel selection and avoidance method, the human body effect detection module is used for detecting the absorption condition of a human body to an antenna so as to adjust the direction and the matching of the antenna, the anti-interference capability and the time slot duty ratio of the Bluetooth are improved through the coexistence adjustment module, the Bluetooth performance of the mobile phone can be adjusted in a self-adaptive mode according to the user requirements and application scenes through the four-in-one comprehensive regulation method, and the Bluetooth data transmission interruption and blockage under the complex application scenes are prevented.
The integrated module according to the embodiment of the present invention may also be stored in a computer-readable storage medium if it is implemented in the form of a software functional module and sold or used as an independent product. Based on such understanding, the technical solutions of the embodiments of the present invention may be essentially implemented or a part contributing to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the methods described in the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes. Thus, embodiments of the invention are not limited to any specific combination of hardware and software.
Accordingly, an embodiment of the present invention further provides a computer storage medium, in which a computer program is stored, where the computer program is used to execute the communication method for adaptive bluetooth performance adjustment according to the embodiment of the present invention.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Claims (16)

1. An adaptive bluetooth performance adjusted communication terminal, comprising:
the detection unit is used for detecting state parameters of a current terminal user in various different Bluetooth application environments and target requirements of the current terminal user when starting Bluetooth communication transmission to obtain a detection result, and sending the detection result to the self-adaptive control unit;
the self-adaptive control unit is used for receiving and analyzing the detection result to obtain the state parameter and the target requirement, obtaining a target adjustment parameter corresponding to the Bluetooth after the relevant parameter is adjusted according to the state parameter and the target requirement, controlling the starting of the adjustment unit, and sending the target adjustment parameter to the adjustment unit for processing according to a first preset rule;
the adjusting unit is used for receiving the target adjusting parameter and carrying out optimization adjustment according to the target adjusting parameter until the Bluetooth performance of the terminal reaches an expected working state;
wherein the detection unit includes:
the application detection module is used for detecting the Bluetooth application environment of the current terminal user and completing the detection including the terminal wireless communication system, the communication mode and the mode requirement of the terminal user;
the channel detection module is used for detecting the channel quality state including the current terminal Bluetooth and the channel occupation conditions in the external same frequency and adjacent frequency ranges;
the user interaction module is used for receiving related wireless settings and requests of a user, supporting the user to set a mode corresponding to a Bluetooth application environment and a target requirement of a current terminal user, and generating a control instruction;
and the human body effect detection module is used for sensing the influence of the current terminal Bluetooth antenna on the human body effect.
2. The communication terminal according to claim 1, wherein the expected operating state is used to characterize: the support terminal can adjust through different performances under various different application environments, communication states and user personalized target requirements, so that the Bluetooth communication transmission is always in the optimal working state, and the phenomenon of blockage or interruption under the remote dynamic application environment with obstacles is reduced.
3. The communication terminal according to claim 1, wherein the application detection module sends the obtained detection result to the adaptive control unit and then provides the detection result to the corresponding adjustment module to implement corresponding adjustment, so as to obtain the avoidance result of the corresponding channel.
4. The communication terminal according to claim 3, wherein the channel detection module sends the obtained detection result to the adaptive control unit and then provides the detection result to the corresponding adjustment module to implement corresponding adjustment, so as to obtain the avoidance result of the corresponding channel.
5. The communication terminal according to claim 4, wherein the user interaction module sends the control command to the adaptive control unit and then provides the control command to the corresponding adjustment module to implement corresponding adjustment, so as to obtain a corresponding expected operating state.
6. The communication terminal according to claim 5, wherein the human body effect detection module sends the obtained sensing result to the adaptive control unit and then provides the sensing result to the corresponding adjustment module to achieve corresponding adjustment, so as to obtain a result of reducing the human body effect.
7. The communication terminal according to any one of claims 2 to 6, wherein the adjusting unit includes an antenna switching and adjusting module, the antenna switching and adjusting module is configured to obtain at least one output result output by the application detecting module, the channel detecting module, the user interaction module, and the human body effect detecting module, and when a sensing result output by the human body effect detecting module is obtained, the position and the attenuation of the current antenna contact are determined according to the sensing result to perform real-time switching and matching adjustment, so as to reduce the human body antenna effect, and switch the Bluetooth antenna to a position away from the human body contact portion.
8. The communication terminal according to any one of claims 2 to 6, wherein the adjusting unit further comprises a power adjustable module, and the power adjustable module is configured to obtain at least one output result output by the application detecting module, the channel detecting module, the user interaction module, and the human body effect detecting module, and implement digital power calling and multi-level variable adjustment under different requirements in combination with the influence of three indexes, i.e., transmission distance, power consumption, and human body radiation, for various bluetooth application environments.
9. The communication terminal according to any one of claims 2 to 6, wherein the adjustment unit further comprises a channel selection and avoidance module, the channel selection and avoidance module is configured to obtain at least one output result output by the application detection module, the channel detection module, the user interaction module, and the human body effect detection module, and when the detection result output by the channel detection module is obtained, the selection and avoidance of the bluetooth communication channel is implemented according to the detection result and the anti-interference algorithm, so that the bluetooth communication transmission is always on a channel with low interference and high communication quality.
10. The communication terminal according to any of claims 2 to 6, wherein the adjusting unit further comprises a coexistence adjusting module, and the coexistence adjusting module is configured to obtain at least one result output by the application detecting module, the channel detecting module, the user interaction module, and the human body effect detecting module, and optimize coexistence performance between the bluetooth and other devices according to a current bluetooth application scenario and a target requirement, so as to preferentially ensure bluetooth communication quality.
11. A communication method of adaptive bluetooth performance adjustment, the method being applied to the communication terminal according to any one of claims 1 to 10, the method comprising:
detecting state parameters of a current terminal user in various different Bluetooth application environments when starting Bluetooth communication transmission and target requirements of the current terminal user to obtain a detection result, and sending the detection result to an adaptive control unit;
receiving and analyzing the detection result to obtain the state parameter and the target requirement, obtaining a corresponding target adjustment parameter after adjusting the related parameters of the Bluetooth according to the state parameter and the target requirement, controlling the starting of the adjustment unit, and sending the target adjustment parameter to the adjustment unit for processing according to a first preset rule;
receiving the target adjustment parameter, and carrying out optimization adjustment according to the target adjustment parameter until the Bluetooth performance of the terminal reaches an expected working state;
the method for detecting the state parameters of the current terminal user in various different Bluetooth application environments and the target requirements of the current terminal user when starting Bluetooth communication transmission to obtain a detection result and sending the detection result to the self-adaptive control unit comprises the following steps:
receiving related wireless settings and requests of a user through a user interaction module, and supporting the user to set a mode corresponding to a Bluetooth application environment and a target requirement of a current terminal user so as to generate a control instruction;
and the self-adaptive control unit receives the control instruction and triggers the application detection module to detect the current wireless and cellular mode starting conditions, external frequency band interference information, a mobile phone power emission value and a human body effect so as to feed back the current wireless and cellular mode starting conditions, the external frequency band interference information, the mobile phone power emission value and the human body effect to the self-adaptive control unit for corresponding control.
12. The method of claim 11, wherein the receiving the target adjustment parameter and performing an optimization adjustment according to the target adjustment parameter until the bluetooth performance of the terminal reaches a desired operating state comprises:
acquiring at least one output result output by an application detection module, a channel detection module, a user interaction module and a human body effect detection module, and starting a power adjustable module by an adaptive control unit when the Bluetooth power control is found to be at the upper limit of the maximum transmitting power threshold and a transmission pause exists;
the power adjustable module selects a proper power grade and transmits a power target value according to the current power value and user interaction setting;
the power adjustable module compares the actual sampled signals and audio values of the Bluetooth chip and the baseband chip with target values, and the comparison result is fed back to the self-adaptive control unit to realize closed-loop feedback control adjustment until the Bluetooth data or audio transmission is smooth.
13. The method of claim 11, wherein the receiving the target adjustment parameter and performing an optimization adjustment according to the target adjustment parameter until the bluetooth performance of the terminal reaches a desired operating state comprises:
acquiring at least one output result output by an application detection module, a channel detection module, a user interaction module and a human body effect detection module, and starting a channel selection and avoidance module when the same-frequency-band channel interference in the current environment is detected;
the channel selection and avoidance module is used for selecting a clean channel range to carry out frequency hopping and avoiding an interference channel;
and comparing the actually sampled signals and audio values of the Bluetooth chip and the baseband chip with the power target value, and feeding the comparison result back to the self-adaptive control unit to realize closed-loop feedback control and regulation until the Bluetooth data or audio transmission is smooth.
14. The method of claim 11, wherein the receiving the target adjustment parameter and performing an optimization adjustment according to the target adjustment parameter until the bluetooth performance of the terminal reaches a desired operating state comprises:
acquiring at least one output result output by the application detection module, the channel detection module, the user interaction module and the human body effect detection module, and judging whether the static effect or the dynamic effect is achieved when the human body effect detection module detects that electromagnetic waves are absorbed and attenuated due to obvious human body effect, so as to obtain a judgment result;
when the judgment result is static influence, the self-adaptive control unit controls the antenna switching and adjusting module to switch the Bluetooth antenna to a position far away from the contact part of the human body, and then real-time matching fine adjustment is carried out, and the attenuation power is compensated at the same amplitude;
and comparing the actually sampled signals and audio values of the Bluetooth chip and the baseband chip with the power target value, and feeding the comparison result back to the self-adaptive control unit to realize closed-loop feedback control and regulation until the Bluetooth data or audio transmission is smooth.
15. The method of claim 11, wherein the receiving the target adjustment parameter and performing an optimization adjustment according to the target adjustment parameter until the bluetooth performance of the terminal reaches a desired operating state comprises:
acquiring at least one output result output by the application detection module, the channel detection module, the user interaction module and the human body effect detection module, and judging whether the static effect or the dynamic effect is achieved when the human body effect detection module detects that electromagnetic waves are absorbed and attenuated due to obvious human body effect, so as to obtain a judgment result;
when the judgment result is dynamic influence, the self-adaptive control unit calls the mean power attenuation value under the corresponding motion form to perform same-amplitude attenuation compensation and controls the hysteresis buffer module to buffer and smooth the transmission signal so as to prevent blockage;
and comparing the actually sampled signals and audio values of the Bluetooth chip and the baseband chip with the power target value, and feeding the comparison result back to the self-adaptive control unit to realize closed-loop feedback control and regulation until the Bluetooth data or audio transmission is smooth.
16. The method of claim 11, wherein the receiving the target adjustment parameter and performing an optimization adjustment according to the target adjustment parameter until the bluetooth performance of the terminal reaches a desired operating state comprises:
acquiring at least one output result output by the application detection module, the channel detection module, the user interaction module and the human body effect detection module, and if detecting the bluetooth blockage or interruption caused by the unavoidable signal interference near 2.4GHz, starting the coexistence adjustment module by the self-adaptive control unit;
the coexistence adjusting module judges the use condition of other current ISM frequency band equipment by applying the detection result of the detection module, starts narrow-band filtering and antenna channel adjustment of the corresponding frequency band, and performs corresponding adjusting control on a frequency hopping channel, the maximum transmitting power and the working time slot of the Bluetooth so as to reduce coexistence influence;
and comparing the actually sampled signals and audio values of the Bluetooth chip and the baseband chip with the power target value, and feeding the comparison result back to the self-adaptive control unit to realize closed-loop feedback control and regulation until the Bluetooth data or audio transmission is smooth.
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